return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H3N3 (1,3,5-Triazine)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-278.679540
Energy at 298.15K-278.685187
Nuclear repulsion energy209.735875
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3234 3109 0.00      
2 A1' 1180 1134 0.00      
3 A1' 966 929 0.00      
4 A2' 1409 1354 0.00      
5 A2' 1068 1027 0.00      
6 A2" 964 927 1.72      
7 A2" 779 749 43.85      
8 E' 3224 3099 20.28      
8 E' 3224 3099 20.28      
9 E' 1508 1450 52.03      
9 E' 1508 1450 52.03      
10 E' 1424 1368 101.87      
10 E' 1424 1368 101.87      
11 E' 1152 1108 0.30      
11 E' 1152 1108 0.30      
12 E' 692 665 18.57      
12 E' 692 665 18.57      
13 E" 1049 1008 0.00      
13 E" 1049 1008 0.00      
14 E" 363 349 0.00      
14 E" 363 349 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14211.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 13660.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/3-21G
ABC
0.21090 0.21090 0.10545

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.315 0.000
C2 1.138 -0.657 0.000
C3 -1.138 -0.657 0.000
N4 0.000 -1.382 0.000
N5 1.197 0.691 0.000
N6 -1.197 0.691 0.000
H7 0.000 2.397 0.000
H8 2.076 -1.199 0.000
H9 -2.076 -1.199 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 H7 H8 H9
C12.27692.27692.69691.34971.34971.08293.25993.2599
C22.27692.27691.34971.34972.69693.25991.08293.2599
C32.27692.27691.34972.69691.34973.25993.25991.0829
N42.69691.34971.34972.39442.39443.77982.08432.0843
N51.34971.34972.69692.39442.39442.08432.08433.7798
N61.34972.69691.34972.39442.39442.08433.77982.0843
H71.08293.25993.25993.77982.08432.08434.15254.1525
H83.25991.08293.25992.08432.08433.77984.15254.1525
H93.25993.25991.08292.08433.77982.08434.15254.1525

picture of 1,3,5-Triazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N5 C2 115.012 C1 N6 C3 115.012
C2 N4 C3 115.012 N4 C2 N5 124.988
N4 C2 H8 117.506 N4 C3 N6 124.988
N4 C3 H9 117.506 N5 C1 N6 124.988
N5 C1 H7 117.506 N5 C2 H8 117.506
N6 C1 H7 117.506 N6 C3 H9 117.506
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 C 0.202      
3 C 0.202      
4 N -0.477      
5 N -0.477      
6 N -0.477      
7 H 0.275      
8 H 0.275      
9 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.781 0.000 0.000
y 0.000 -34.781 0.000
z 0.000 0.000 -34.219
Traceless
 xyz
x -0.281 0.000 0.000
y 0.000 -0.281 0.000
z 0.000 0.000 0.563
Polar
3z2-r21.125
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 110.085
(<r2>)1/2 10.492